Malware Analysis Report

2025-01-18 12:24

Sample ID 240830-bph2eazfpf
Target 39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
SHA256 39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a
Tags
formbook d16h discovery rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a

Threat Level: Known bad

The file 39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe was found to be: Known bad.

Malicious Activity Summary

formbook d16h discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 01:19

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 01:19

Reported

2024-08-30 01:21

Platform

win7-20240704-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1512 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 1512 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 1512 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 1512 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 1512 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 1512 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 1512 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe

"C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe"

C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe

"C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe"

Network

N/A

Files

memory/1512-0-0x000000007452E000-0x000000007452F000-memory.dmp

memory/1512-1-0x0000000000360000-0x00000000003FC000-memory.dmp

memory/1512-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

memory/1512-3-0x00000000008B0000-0x00000000008C8000-memory.dmp

memory/1512-4-0x0000000074520000-0x0000000074C0E000-memory.dmp

memory/1512-5-0x0000000004B00000-0x0000000004B76000-memory.dmp

memory/2132-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2132-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2132-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2132-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1512-12-0x0000000074520000-0x0000000074C0E000-memory.dmp

memory/2132-13-0x0000000000880000-0x0000000000B83000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 01:19

Reported

2024-08-30 01:21

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4124 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 820 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe
PID 4124 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe

"C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe"

C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe

"C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe"

C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe

"C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe"

C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe

"C:\Users\Admin\AppData\Local\Temp\39641278c51c0559206d6d7c4f34c705e9ac56fb5f6073cef1c0c3818497783a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4124-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

memory/4124-1-0x00000000001E0000-0x000000000027C000-memory.dmp

memory/4124-2-0x00000000051A0000-0x0000000005744000-memory.dmp

memory/4124-3-0x0000000004C90000-0x0000000004D22000-memory.dmp

memory/4124-4-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/4124-5-0x0000000004D70000-0x0000000004D7A000-memory.dmp

memory/4124-6-0x0000000005180000-0x0000000005198000-memory.dmp

memory/4124-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

memory/4124-8-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/4124-9-0x0000000005E50000-0x0000000005EC6000-memory.dmp

memory/4124-10-0x00000000060D0000-0x000000000616C000-memory.dmp

memory/1792-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4124-13-0x0000000074F70000-0x0000000075720000-memory.dmp

memory/1792-14-0x00000000010D0000-0x000000000141A000-memory.dmp

memory/1792-15-0x00000000010D0000-0x000000000141A000-memory.dmp